Process for the preparation of polymers containing hydantoin gro

Details Process for the preparation of polymers containing hydantoin gro Process for the preparation of polymers containing hydantoin gro

1979-12-05

1981-05-26

Welsh, Maurice J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 304N, 260 308DS, 260 312N, 260 314R, 260 322, 260 326N, 260 328N, 260 332R, 260 334R, 260 336R, 260 338R, 528 48, 528 49, 528 52, 528 73, 528 74, 528 75, 528 84, C08G 1800

Patent

active

042697506

ABSTRACT:
A process for the production of compounds containing hydantoin groups by reacting .alpha.-amino-carboxylic acid derivatives and organic isocyanates in the presence of acid groups and either in absence of any solvent or in the presence of a non-phenolic solvent.

REFERENCES:
patent: 3397253 (1968-08-01), Merten et al.
patent: 3549599 (1970-12-01), Merten
patent: 3639418 (1972-02-01), Merten
patent: 3642524 (1972-02-01), Merten et al.
patent: 3684774 (1972-08-01), Merten et al.
patent: 3705874 (1972-12-01), Merten et al.

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